common

package

v1.0.1 Latest Latest Go to latest Published: Jul 16, 2018 License: LGPL-3.0 Imports: 13 Imported by: 0

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Repository

github.com/sugeladi/ontology

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func BigIntFromNeoBytes(ba []byte) *big.Int
func BigIntToNeoBytes(data *big.Int) []byte
func FileExisted(filename string) bool
func GetCompactUint(buf []byte) (uint64, uint8)
func GetNonce() uint64
func HexToBytes(value string) ([]byte, error)
func SafeAdd(x, y uint64) (uint64, bool)
func SafeMul(x, y uint64) (uint64, bool)
func SafeSub(x, y uint64) (uint64, bool)
func SetCompactUint(num uint64) []byte
func ToArrayReverse(arr []byte) []byte
func ToHexString(data []byte) string
type Address
- func AddressFromBase58(encoded string) (Address, error)
- func AddressFromHexString(s string) (Address, error)
- func AddressParseFromBytes(f []byte) (Address, error)
- func (self *Address) Deserialize(r io.Reader) error
- func (self *Address) Serialize(w io.Writer) error
- func (f *Address) ToBase58() string
- func (self *Address) ToHexString() string
type CompactUint
type Fixed64
- func FromDecimal(value int64) Fixed64
- func (f *Fixed64) Deserialize(r io.Reader) error
- func (f Fixed64) GetData() int64
- func (f *Fixed64) Serialize(w io.Writer) error
- func (f Fixed64) String() string
type Inventory
type InventoryType
type LimitedWriter
- func NewLimitedWriter(w io.Writer, max uint64) *LimitedWriter
- func (self *LimitedWriter) Count() uint64
- func (self *LimitedWriter) Write(buf []byte) (int, error)
type Uint256
- func ComputeMerkleRoot(hashes []Uint256) Uint256
- func Uint256FromHexString(s string) (Uint256, error)
- func Uint256ParseFromBytes(f []byte) (Uint256, error)
- func (u *Uint256) Deserialize(r io.Reader) error
- func (u *Uint256) Serialize(w io.Writer) error
- func (u *Uint256) ToArray() []byte
- func (u *Uint256) ToHexString() string

Constants ¶

View Source

const ADDR_LEN = 20

View Source

const (
	Decimal = 100000000
)

View Source

const (
	MAX_UINT64 = math.MaxUint64
)

View Source

const UINT256_SIZE = 32

Variables ¶

View Source

var ADDRESS_EMPTY = Address{}

View Source

var ErrWriteExceedLimitedCount = errors.New("writer exceed limited count")

View Source

var UINT256_EMPTY = Uint256{}

Functions ¶

func BigIntFromNeoBytes ¶

func BigIntFromNeoBytes(ba []byte) *big.Int

func BigIntToNeoBytes ¶

func BigIntToNeoBytes(data *big.Int) []byte

func FileExisted ¶

func FileExisted(filename string) bool

FileExisted checks whether filename exists in filesystem

func GetCompactUint ¶

func GetCompactUint(buf []byte) (uint64, uint8)

func GetNonce ¶

func GetNonce() uint64

GetNonce returns random nonce

func HexToBytes ¶

func HexToBytes(value string) ([]byte, error)

HexToBytes convert hex string to []byte

func SafeAdd ¶ added in v0.9.2

func SafeAdd(x, y uint64) (uint64, bool)

func SafeMul ¶ added in v0.9.2

func SafeMul(x, y uint64) (uint64, bool)

func SafeSub ¶ added in v0.9.2

func SafeSub(x, y uint64) (uint64, bool)

func SetCompactUint ¶

func SetCompactUint(num uint64) []byte

TODO Fix the return value to the correct number

func ToArrayReverse ¶

func ToArrayReverse(arr []byte) []byte

func ToHexString ¶

func ToHexString(data []byte) string

ToHexString convert []byte to hex string

Types ¶

type Address ¶

type Address [ADDR_LEN]byte

func AddressFromBase58 ¶

func AddressFromBase58(encoded string) (Address, error)

AddressFromBase58 returns Address from encoded base58 string

func AddressFromHexString ¶

func AddressFromHexString(s string) (Address, error)

AddressParseFromHexString returns parsed Address

func AddressParseFromBytes ¶

func AddressParseFromBytes(f []byte) (Address, error)

AddressParseFromBytes returns parsed Address

func (*Address) Deserialize ¶

func (self *Address) Deserialize(r io.Reader) error

Deserialize deserialize Address from io.Reader

func (*Address) Serialize ¶

func (self *Address) Serialize(w io.Writer) error

Serialize serialize Address into io.Writer

func (*Address) ToBase58 ¶

func (f *Address) ToBase58() string

ToBase58 returns base58 encoded address string

func (*Address) ToHexString ¶

func (self *Address) ToHexString() string

ToHexString returns hex string representation of Address

type CompactUint ¶

type CompactUint struct {
	// contains filtered or unexported fields
}

type Fixed64 ¶

type Fixed64 int64

the 64 bit fixed-point number, precise 10^-8

func FromDecimal ¶

func FromDecimal(value int64) Fixed64

func (*Fixed64) Deserialize ¶

func (f *Fixed64) Deserialize(r io.Reader) error

func (Fixed64) GetData ¶

func (f Fixed64) GetData() int64

func (*Fixed64) Serialize ¶

func (f *Fixed64) Serialize(w io.Writer) error

func (Fixed64) String ¶

func (f Fixed64) String() string

type Inventory ¶

type Inventory interface {
	//sig.SignableData
	Hash() Uint256
	Verify() error
	Type() InventoryType
}

TODO: temp inventory

type InventoryType ¶

type InventoryType byte

const (
	TRANSACTION InventoryType = 0x01
	BLOCK       InventoryType = 0x02
	CONSENSUS   InventoryType = 0xe0
)

type LimitedWriter ¶ added in v0.9.3

type LimitedWriter struct {
	// contains filtered or unexported fields
}

func NewLimitedWriter ¶ added in v0.9.3

func NewLimitedWriter(w io.Writer, max uint64) *LimitedWriter

func (*LimitedWriter) Count ¶ added in v0.9.3

func (self *LimitedWriter) Count() uint64

Count function return counted bytes

func (*LimitedWriter) Write ¶ added in v0.9.3

func (self *LimitedWriter) Write(buf []byte) (int, error)

type Uint256 ¶

type Uint256 [UINT256_SIZE]byte

func ComputeMerkleRoot ¶

func ComputeMerkleRoot(hashes []Uint256) Uint256

input a []uint256, create a merkleTree & calc the root hash

func Uint256FromHexString ¶

func Uint256FromHexString(s string) (Uint256, error)

func Uint256ParseFromBytes ¶

func Uint256ParseFromBytes(f []byte) (Uint256, error)

func (*Uint256) Deserialize ¶

func (u *Uint256) Deserialize(r io.Reader) error

func (*Uint256) Serialize ¶

func (u *Uint256) Serialize(w io.Writer) error

func (*Uint256) ToArray ¶

func (u *Uint256) ToArray() []byte

func (*Uint256) ToHexString ¶

func (u *Uint256) ToHexString() string

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
config
constants
log
password
serialization

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